1. Introduction2. Modeling of dynamics of coupled system in high-speed trains 3. Simulation platform of dynamics of coupled system in high-speed trains 4. The basic characteristics of mechanics performance and evaluation for coupled system in high-speed trains5. Design methods of optimization for dynamics performance in high-speed trains6. Design methods of parameters' optimization for coupled systems in high-speed trains 7. Test techniques of dynamic behaviors of coupled systems in high-speed trains 8. Service performance and the safety control of high-speed trains